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Diano4ka-milaya [45]
3 years ago
10

Select the correct answer.

Biology
1 answer:
ziro4ka [17]3 years ago
7 0

Answer:

Sperm cannot be delivered to the urethra.

Explanation:

Just did it and got it correct

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The systolic arterial blood pressure observed for 20 dogs is normally distributed with a mean of 152 mm of mercury (hg) and a st
Damm [24]

Given: The systolic arterial blood pressure observed for 20 dogs is normally distributed with a mean of 152 mm of mercury (Hg) and a standard deviation of 18 mm of Hg.  

To find: P(100 < 152)

Method: Calculation of Z-Score followed by the probability or area of the bell curve at X = 100.

Solution:

Mean u = 152, std s = 18

Z score = \frac{X-u}{s} = \frac{100-152}{18} = -2.89

The value of P(100<152) is calculated by looking at the value of Z in the Z score for the standard normal distribution given in the image.

P(Z=-2.89) = 0.0019

The P(Z = -2.89) corresponds to the area in the left tail of the bell curve.

Thus the probability of 100 mm Hg blood pressure is 0.0019.

7 0
3 years ago
If the frequency of an allele is 0.75, how many copies of this allele should be in a population of 300 diploid individuals?
Ray Of Light [21]

I have provided the options below:

a. 150

b. 225

c. 300

d. 450

e. 75

Answer:

150

Explanation:

Hardy-Weinberg law states, the allelic frequencies of a gene that is, q and p follow the relationship p^2+q^2+2pq = 1, if the population is in equilibrium.

Therefore p^2+q^2+2pq = 1, can be used to calculate the percentage of the allelic frequencies i.e. p^2 and q^2

Allelic frequency = 0.75.

Therefore, the percentage of the allele in the population would be given by

0.75^2 = 0.5625 = 56%.

And the total number of individuals with this allele in the population:

number of individuals = 56×300÷100

= 168 or

150 nearest figure.

8 0
4 years ago
Please help! Match each organism with the correct trophic level it occupies in the food chain.
ale4655 [162]

Blueberry: 1st Trophic Level

Rabbit: 2nd Trophic Level

Snake: 3rd Trophic Level

Cat: 4th Trophic Level

Hope this helps :P

plz give me the brainliest if it does : )

7 0
3 years ago
Read 2 more answers
Why is Dr. Tumpey's radical approach to "virus engineering" controversial? What are the potential benefits of this approach?
Tema [17]

Explanation:

It is based on the principle of continuous improvement. The standard enables companies to define what a quality product should be and how it should meet customer needs.

5 0
3 years ago
An experiment was designed to test whether students could squeeze a clothespin more times in one minute after resting or after e
Rudik [331]

If a student rests and then squeezes a clothespin for one minute, will they be able to squeeze it more than someone that exercised before squeezing the pin for 1 minute?


Hope this helps!

7 0
3 years ago
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